427369 has 2 divisors, whose sum is σ = 427370. Its totient is φ = 427368.

The previous prime is 427351. The next prime is 427379. The reversal of 427369 is 963724.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 238144 + 189225 = 488^2 + 435^2 .

It is a cyclic number.

It is not a de Polignac number, because 427369 - 2⁷ = 427241 is a prime.

It is a super-2 number, since 2×427369² = 365288524322, which contains 22 as substring.

It is an Ulam number.

It is a d-powerful number, because it can be written as 4⁹ + 2⁷ + 3¹⁰ + 7³ + 6⁶ + 9⁵ .

It is a self number, because there is not a number n which added to its sum of digits gives 427369.

It is not a weakly prime, because it can be changed into another prime (427309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213684 + 213685.

It is an arithmetic number, because the mean of its divisors is an integer number (213685).

2⁴²⁷³⁶⁹ is an apocalyptic number.

It is an amenable number.

427369 is a deficient number, since it is larger than the sum of its proper divisors (1).

427369 is an equidigital number, since it uses as much as digits as its factorization.

427369 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9072, while the sum is 31.

The square root of 427369 is about 653.7346556517. The cubic root of 427369 is about 75.3241672265.

The spelling of 427369 in words is "four hundred twenty-seven thousand, three hundred sixty-nine".